AT354091B - METHOD OF MANUFACTURING A PHOSPHONIUM-SILOXANE CATALYST AND METHOD OF INCREASING THE MOLECULAR WEIGHT OF A POLYORGANOSILOXANE USING THIS CATALYST - Google Patents

METHOD OF MANUFACTURING A PHOSPHONIUM-SILOXANE CATALYST AND METHOD OF INCREASING THE MOLECULAR WEIGHT OF A POLYORGANOSILOXANE USING THIS CATALYST

Info

Publication number
AT354091B
AT354091B AT985475A AT985475A AT354091B AT 354091 B AT354091 B AT 354091B AT 985475 A AT985475 A AT 985475A AT 985475 A AT985475 A AT 985475A AT 354091 B AT354091 B AT 354091B
Authority
AT
Austria
Prior art keywords
catalyst
polyorganosiloxane
phosphonium
increasing
manufacturing
Prior art date
Application number
AT985475A
Other languages
German (de)
Other versions
ATA985475A (en
Original Assignee
Dow Corning
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Corning filed Critical Dow Corning
Publication of ATA985475A publication Critical patent/ATA985475A/en
Application granted granted Critical
Publication of AT354091B publication Critical patent/AT354091B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/06—Preparatory processes
    • C08G77/08—Preparatory processes characterised by the catalysts used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/38—Polysiloxanes modified by chemical after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Silicon Polymers (AREA)
AT985475A 1975-01-02 1975-12-29 METHOD OF MANUFACTURING A PHOSPHONIUM-SILOXANE CATALYST AND METHOD OF INCREASING THE MOLECULAR WEIGHT OF A POLYORGANOSILOXANE USING THIS CATALYST AT354091B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/537,877 US4008261A (en) 1975-01-02 1975-01-02 Method of preparing phosphonium siloxanes and products thereof

Publications (2)

Publication Number Publication Date
ATA985475A ATA985475A (en) 1979-05-15
AT354091B true AT354091B (en) 1979-12-27

Family

ID=24144473

Family Applications (1)

Application Number Title Priority Date Filing Date
AT985475A AT354091B (en) 1975-01-02 1975-12-29 METHOD OF MANUFACTURING A PHOSPHONIUM-SILOXANE CATALYST AND METHOD OF INCREASING THE MOLECULAR WEIGHT OF A POLYORGANOSILOXANE USING THIS CATALYST

Country Status (10)

Country Link
US (1) US4008261A (en)
JP (1) JPS5186423A (en)
AT (1) AT354091B (en)
BE (1) BE837233A (en)
CA (1) CA1055471A (en)
DE (2) DE2558020C2 (en)
FR (1) FR2296656A1 (en)
GB (1) GB1532051A (en)
IT (1) IT1043724B (en)
NL (1) NL160012C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101513A (en) * 1977-02-02 1978-07-18 Minnesota Mining And Manufacturing Company Catalyst for condensation of hydrolyzable silanes and storage stable compositions thereof
US4177200A (en) * 1977-11-25 1979-12-04 General Electric Company Silyl phosphates as neutralizing agents for alkali metal hydroxides
US4125551A (en) * 1978-02-13 1978-11-14 General Electric Company Process for producing silylphosphates
US4433096A (en) * 1983-03-14 1984-02-21 Dow Corning Corporation Polymerization of polydiorganosiloxane in the presence of filler
JPS60219337A (en) * 1984-04-12 1985-11-02 隈元　政文 Prevention of sewage from splashing of flashing type toilet bowl
DE3504185A1 (en) * 1985-02-07 1986-08-07 Wacker-Chemie GmbH, 8000 München METHOD FOR INCREASING THE MOLECULAR WEIGHT OF DIORGANO (POLY) -SILOXANE
EP0255957A3 (en) * 1986-08-08 1988-11-17 Asahi Glass Company Ltd. Fluorosilicone polymer, processes for the production thereof and composition containing it
JP2799637B2 (en) * 1991-02-27 1998-09-21 信越化学工業株式会社 Method for producing high molecular weight organopolysiloxane
US5196559A (en) * 1992-01-23 1993-03-23 Dow Corning Corporation Equilibration of cyclic siloxanes with novel catalysts
DE4317909A1 (en) * 1993-05-28 1994-12-01 Wacker Chemie Gmbh Process for condensing and / or equilibrating organosilicon compounds
WO1998007673A1 (en) 1996-08-20 1998-02-26 The Dow Chemical Company Process for the production of alkylated benzenes
US20030225236A1 (en) * 2002-06-03 2003-12-04 Masaharu Takahashi Preparation of organopolysiloxane

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057821A (en) * 1962-10-09 Ammonium halide stabilized organo-
US2683674A (en) * 1950-08-07 1954-07-13 Allied Chem & Dye Corp Waterproofing masonry with alkyl polysiloxanes
US2830967A (en) * 1953-01-13 1958-04-15 Wacker Chemie Gmbh Process for polymerizing polyorganosiloxanes with phosphorus-nitrogen compounds
US2739952A (en) * 1953-06-24 1956-03-27 Gen Electric Organopolysiloxanes stabilized with organophosphorus compounds
US2789109A (en) * 1954-06-29 1957-04-16 Gen Electric Neutralization of alkali metal hydroxide catalysts in organopolysiloxanes
US2908699A (en) * 1955-12-23 1959-10-13 Union Carbide Corp Process for producing cyanoalkylsilanes employing hydrocarbyl phosphorous halide catalysts
GB857343A (en) * 1958-01-17 1960-12-29 Ici Ltd Treatment of organopolysiloxanes
US3271359A (en) * 1962-12-24 1966-09-06 Gen Electric Equilibration of organopolysiloxanes using phosphorus-containing catalysts
DE1795565A1 (en) * 1964-05-05 1972-01-27 Tondeo Werk Noss A Process for the preparation of linear polymeric polydiorganosiloxanes which carry organophosphorus side groups

Also Published As

Publication number Publication date
DE2559603C2 (en) 1984-05-10
ATA985475A (en) 1979-05-15
CA1055471A (en) 1979-05-29
FR2296656B1 (en) 1979-02-02
GB1532051A (en) 1978-11-15
DE2558020C2 (en) 1982-10-28
AU8614475A (en) 1977-05-05
FR2296656A1 (en) 1976-07-30
JPS5186423A (en) 1976-07-29
NL7515236A (en) 1976-07-06
US4008261A (en) 1977-02-15
DE2559603A1 (en) 1977-04-21
IT1043724B (en) 1980-02-29
JPS5549622B2 (en) 1980-12-12
NL160012C (en) 1979-09-17
BE837233A (en) 1976-06-30
DE2558020A1 (en) 1976-07-08
NL160012B (en) 1979-04-17

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